From 6eddb531d70d5dad5fb2f037072b9ec4f4e4b5e5 Mon Sep 17 00:00:00 2001
From: Stijn Buys <ingar@osirion.org>
Date: Tue, 1 May 2012 20:46:58 +0000
Subject: Use light environment classes in the model viewer and the main
 rendering routine.

---
 src/ui/modelview.cc | 62 +++++++++++++++++++++++++++++------------------------
 1 file changed, 34 insertions(+), 28 deletions(-)

(limited to 'src/ui')

diff --git a/src/ui/modelview.cc b/src/ui/modelview.cc
index d1c5c96..b13b642 100755
--- a/src/ui/modelview.cc
+++ b/src/ui/modelview.cc
@@ -12,6 +12,8 @@
 #include "sys/sys.h"
 #include "render/camera.h"
 #include "render/draw.h"
+#include "render/light.h"
+#include "render/lightenvironment.h"
 #include "render/render.h"
 #include <sstream>
 #include <iomanip>
@@ -20,7 +22,7 @@ namespace ui
 {
 
 const float LIGHT_DISTANCE = -10.0f;
-const float LIGHT_ATTENUATION = 0.1f;
+const float LIGHT_ATTENUATION = 2.0f;
 
 ModelView::ModelView(Widget *parent) : Widget(parent)
 {
@@ -183,9 +185,19 @@ void ModelView::draw_globe()
 	// gl 3d mode
 	render::Camera::frustum_default(modelview_zoom, center.x(), center.y());
 
-	// reset lighting
-	render::pass_reset_lights();
+	// set up light environment
+	render::Light *light = new render::Light(
+		math::Vector3f(LIGHT_DISTANCE * reference_radius, 0, 0),
+		math::Color(1.0f, 1.0f, 1.0f)
+	);	
+	light->set_attenuation(0.0f, 1.0f, 0.0f);
 
+	render::LightEnvironment lightenv;
+	lightenv.add(light);
+	
+	lightenv.enable();
+	lightenv.draw();
+	
 	// enable lighting
 	gl::enable(GL_LIGHTING);
 	
@@ -204,13 +216,6 @@ void ModelView::draw_globe()
 	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 	glEnableClientState(GL_NORMAL_ARRAY);
 
-	// we set up the light in camera space
-	const math::Vector3f light_location(LIGHT_DISTANCE * reference_radius, 0, 0);
-	const math::Color light_color(1.0f, 1.0f, 1.0f);
-	GLenum gllight = render::add_light(light_location, LIGHT_ATTENUATION, light_color);
-
-	gl::enable(gllight);
-	
 	render::State::set_normalize(true);
 	
 	// push transformation matrix to stack
@@ -238,7 +243,7 @@ void ModelView::draw_globe()
 	gl::pop();
 	
 	render::State::set_normalize(false);
-	gl::disable(gllight);
+	lightenv.disable();
 
 	glDisableClientState(GL_VERTEX_ARRAY);
 	glDisableClientState(GL_NORMAL_ARRAY);
@@ -251,11 +256,9 @@ void ModelView::draw_globe()
 	gl::depthmask(GL_FALSE);	// enable depth buffer writing
 	gl::disable(GL_DEPTH_TEST);	// disable depth buffer testing
 	gl::disable(GL_LIGHTING);
-
-	// gl 2d mode
-	render::Camera::ortho();
-	
 	
+	// gl 2d mode
+	render::Camera::ortho();	
 }
 
 void ModelView::draw_model()
@@ -282,8 +285,18 @@ void ModelView::draw_model()
 	// gl 3d mode
 	render::Camera::frustum_default(modelview_zoom, center.x(), center.y());
 
-	// reset lighting
-	render::pass_reset_lights();
+	// set up light environment
+	render::Light *light = new render::Light(
+		math::Vector3f(LIGHT_DISTANCE * reference_radius, 0, 0),
+		math::Color(1.0f, 1.0f, 1.0f)
+	);	
+	light->set_attenuation(0.0f, 1.0f, 0.0f);
+
+	render::LightEnvironment lightenv;
+	lightenv.add(light);
+	
+	lightenv.enable();
+	lightenv.draw();
 
 	// enable lighting
 	gl::enable(GL_LIGHTING);
@@ -303,13 +316,6 @@ void ModelView::draw_model()
 	glEnableClientState(GL_TEXTURE_COORD_ARRAY);
 	glEnableClientState(GL_NORMAL_ARRAY);
 
-	// we set up the light in camera space
-	const math::Vector3f light_location(LIGHT_DISTANCE * reference_radius, 0, 0);
-	const math::Color light_color(1.0f, 1.0f, 1.0f);
-	GLenum gllight = render::add_light(light_location, LIGHT_ATTENUATION, light_color);
-
-	gl::enable(gllight);
-	
 	// push transformation matrix to stack
 	gl::push();
 	
@@ -332,7 +338,7 @@ void ModelView::draw_model()
 	
 	gl::pop();
 
-	gl::disable(gllight);
+	lightenv.disable();
 
 	glDisableClientState(GL_VERTEX_ARRAY);
 	glDisableClientState(GL_NORMAL_ARRAY);
@@ -363,13 +369,13 @@ void ModelView::draw_model()
 	}
 	
 	render::draw_model_lights(model, modelscale, math::Vector3f(), modelview_axis, core::localplayer()->color(), thrust, 0.0f);
-	
+		
 	gl::disable(GL_TEXTURE_2D);
 	gl::disable(GL_COLOR_MATERIAL);	// disable color tracking
 	gl::disable(GL_CULL_FACE);	// disable culling
 	gl::depthmask(GL_FALSE);	// enable depth buffer writing
-	gl::disable(GL_DEPTH_TEST);	// disable depth buffer testing
-
+	gl::disable(GL_DEPTH_TEST);	// disable depth buffer testing	
+	
 	// gl 2d mode
 	render::Camera::ortho();
 }
-- 
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